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[log] button i have to calculate the pH level of [H+]=2.75 E-6, i understand how to use the log button but not the E-6, my friends' calculator had a two e's on tehm but do i use the EXP button? the ...
negative log I need to find pH of an acid and for that, I need to use negative log. What buttons do I press? Actually, it's the inverse of log, or 10^x, to do so, simpily press [2nd] [LOG].
casio cpw 310 watch and the battery seemed to be dying so I bought a new battery a energizer 399/395 and replaced the battery, but since then the screen of the watch is blank. try short circuit AC and
Question about FX-115ES Scientific Calculator
I am trying to get the inverse log from 1x10-4.62 I suggest you reformulate the question. If you are doing pH questions, give the pH and we will show you how to get the concentration. Alternatively, ...
...pH of a solution on the casio fx-260 solar calculator? General shortcut. If the concentration is of the form 1* 10^ (-a) where a is an integer between 0 and 14, the pH is given by a. c= 1.* 10^(-5), ...
I need to figure out how to calculate the hydronium concentration for a drink that has a pH of 3.1. I am told that I can use the 10x button but I don't think they are talking about the same 10x button
how do I calculate inverse log on this calculator? Let's use -pH=-7.41 To get the concentration C of hydronium ions use the relation C=10^ (-pH)=10^ (-7.41)=3.89045*10^(-08) or just C=3.89*10^(-8)
calculate h30 from ph pH=-log[H3O+] and [H3O+]=10^(-pH)
Question about fx-115ES Plus Scientific Calculator
do not know how to calculate [H3O] from pH pH= 8.5, calculate [H3O+] for a solution of baking soda with pH or 8.25. pH=-log[H3O+] [H3O+]=10^(-pH)
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